MyCruiseForecast

Milne Bay, Papua New Guinea

Kiriwina Island (Losuia) cruise weather by month

What to expect when your ship is in Kiriwina Island (Losuia) in any month: temperatures, how often it rains, wind, sea temperature and wave heights.

Weather in Kiriwina Island (Losuia) by month

Average highs run from 82°F (28°C) in August to 85°F (30°C) in January. Rain falls on the fewest days in August and the most in January. Sea temperature and wave heights are for the water just off the port.

Typical conditions, 2022–2025 climate record (ECMWF). Rain days are days with at least 1 mm of rain or melted snow. These are averages, not a forecast.
MonthHigh / lowRain daysWindSea tempTypical seas
January85 / 78°F30 / 25°C96%9 mph14 km/h–1 ft (0.4 m)Smooth; rougher days up to 2 ft
February85 / 78°F29 / 25°C94%10 mph16 km/h–2 ft (0.5 m)Smooth; rougher days up to 3 ft
March85 / 78°F29 / 25°C91%8 mph13 km/h–1 ft (0.4 m)Smooth; rougher days up to 2 ft
April84 / 77°F29 / 25°C91%8 mph13 km/h–1 ft (0.4 m)Smooth; rougher days up to 2 ft
May84 / 77°F29 / 25°C92%11 mph19 km/h–2 ft (0.7 m)Slight; rougher days up to 4 ft
June83 / 77°F28 / 25°C83%13 mph21 km/h–3 ft (0.8 m)Slight; rougher days up to 4 ft
July82 / 77°F28 / 25°C75%15 mph24 km/h–3 ft (1.0 m)Slight; rougher days up to 5 ft
August82 / 77°F28 / 25°C73%16 mph26 km/h–4 ft (1.1 m)Slight; rougher days up to 4 ft
September82 / 77°F28 / 25°C90%14 mph22 km/h–3 ft (0.8 m)Slight; rougher days up to 4 ft
October84 / 77°F29 / 25°C85%11 mph18 km/h–2 ft (0.6 m)Slight; rougher days up to 3 ft
November84 / 78°F29 / 26°C82%10 mph16 km/h–2 ft (0.5 m)Slight; rougher days up to 3 ft
December85 / 78°F30 / 26°C84%8 mph14 km/h–1 ft (0.4 m)Smooth; rougher days up to 2 ft

Check the forecast for your sailing

Upcoming cruises in Kiriwina Island (Losuia)

1 ship from 1 cruise line is scheduled here, 1 visit in total. The next 1:

DateShipStopSailing
Sun, Nov 222026NoordamHolland America LineCalls35 nights from Sydney (New South Wales, Australia)

Ships that visit Kiriwina Island (Losuia)

Nearby cruise ports

Wave heights are significant wave height on the Douglas sea state scale. What the numbers mean for a cruise. Sources and method are on the about page.